Home / 1,206,872-1,810,541.12-458,859.84

Finding the Fourth Proportional to 1,206,872, 1,810,541.12 and 458,859.84

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Solution

The fourth proportional to 1,206,872, 1,810,541.12 and 458,859.84 is: 688,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,872 : 1,810,541.12 = 458,859.84 : x
  2. Step 2: Convert to fraction form
    1,206,872/1,810,541.12 = 458,859.84/x
  3. Step 3: Cross multiply
    1,206,872x = 1,810,541.12 × 458,859.84
  4. Step 4: Simplify right side
    1,206,872x = 830,784,608,636.62
  5. Step 5: Solve for x
    x = 830,784,608,636.62/1,206,872
  6. Step 6: Final answer
    x = 688,378.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.